Fuse setting apparatus



' April 1935- A. GIETMANN 1,996,702

FUSE SETTING APPARATUS Filed Sept. 1, 1933 v MM I ,A-rrm N 5% A Anton Gietmann, Dusseldorf, Germany, assignor to Rheinische Metallwaarenund Maschinenfabrik, Dusseldorf-Derendorf, Germany, a corporation of Germany Application September 1, 193a, senal No. 687,899 In Germany June 275, 1931 2 Claims. (c1. 86-23) The invention relates to fuse setting apparaoverwhen it is lifted on by handles to change tus of the type having an energy accu ulator in its position. 7 V the setting mechanism. Figs; land 2 of the accompanying drawing Inthe-known typeof fuse setting apparatus, give a diagrammatical representation of an exthe energy accumulator has consistedin a spring amp 0f I 11 0 the u e Setting 1 '5 adapted to be tensioned by the driving crank of paratus according to the invention in sectional the apparatus, which spring sets the setting memva i n a d in p t her in movement and makes the. operation of T e boxwlike housing a of the fuse adjus the machine dependent on the actuation of the machine contains side by side two adjusting setl0 driving crank, so that the workingcapacity of, ting ockets b1, In with setting mem s 1 '10 the spring is intended to um e for th adjustdisposed one over the other; at the side of the setment of a plurality of fuses, su h spring h ting sockets there is fitted the lamp receiver d asnisms, acting as energy accumulators, have, howscciated with an order transmitting device for ever, the disadvantage of requiring spegig l eheekr giving the commanded or time values for the 15 ing devices for regulating the running speed fuses. For the timing process the lower setting 15 Moreover, the turning moment yielded by them members 61 are actuated by the Crank. 9 which corresponds to th a t l t i f t Spring turns continuously and in the same direction, the and stronger resistances such as occur, for inrotationalumovement Of which is transmitted 0 stance, when the'adju' tm ring t fu e the setting member 01 through the chain drive comes dirty or fits too tightly, stop the machine T f2; the shaft 9, the bevel gearing 9 the 0 prematurely. vertical shaft h and the spur wheel mechanism A fuse setting apparatus according to the in-, r Way O automahcally Controlled, Couplings vention comprises an energy eeeummator in the which are not shown and which are placed in form of a flywheel. the drive to the setting members.

In contrast to the spring mechanisms, the -P r of the m receiver d to be 5 energy accumulat fuse adjusting machines justed according to the, flashing command according to the invention in the form of a flylamps and the upper Sethhg members c F wheel is not only at the same time a speed regudriven by the crank drive formedhs. mlhed later fo e i uniform running of the wheel, to which the crank handle dz 1s hinged. V

mechanism, but higher resistances, which may, 'h rotational movajmehts of the crank mech- 30 of course, also be opposed by a greater applicaahlsm tmhsmltted P Way of Ph Spur tion of force on t crank, are overcame by the wheels d d4, d5 and the pair of bevel pmlons d1, flywheel which in the effort to retain the veto the Pointer of the r v by Way locity imparted to it gives'off quite automatically of the shah the hall of bevel P11110115 a corresponding pow f l d i moment tin, the shaft (Z12 and worm wheels d1? t0 the 34?.- 35

It is advantageous to arrange a free-wheel lusting ,melhhers The Shah? 15 shown h coupling between the shaft driving the fuse setsectlhh 1h mg 1; Worm mechahlsm h h ting member and the flywheel and its driving p h to on h Shaft dnvmg the mechanism (prime mover or hand crank). This adlustmg member m the adlustmg Socket b then permits the setting member and, therefore, not being shown 40 I The spur wheel k at the same time rotates the also the flywheel to be driven in the proper d1rec tion of rotation 7 only but Spite of the com flywheel Z4 by way of the spur wheel Z, the vertical r V shaft Z1 and the pair of spur wheels Z2, Is. On tmued runnmg of the flywheel permlts hand" the shaft 9' there is provided a free-wheel coudriving crank to come to a standstill as soon as pnng "the latter is no longer turned. Then, for instance, when. thevmtatiohal movement of t Crank 6 changes of position Su s are Often necessary ceases, the flywheel It takes over the driving of with a large traverse of the gun can be carried th g tti member e by way of the pair'of Out With the Setting apparatus W the flyw e l spur wheels 13,12, the vertical shaft 11, and the running t u otat ng Ou er p rts being iripair of spur wheels ,1, lo. The flywheel is ofsuch 50 convenient or dangerous for the gun crew. Moredimensions that the energy accumulated therein over, the rotating flywheel, owing to its ,gyrois sufi'icient for the timing of four to seven fuses, scopic action, prevents the machine, the center so that the timing of fuses is possible even with of gravity of which is relatively high, particu large changes in position of the machine, that is larly when the projectile is inserted, from tipping to say long i 'terruption of the rotation of the 55 2. In a fuse settingapparatus, a setting mechanism, an energy accumulator in form of a flywheel, a shaft driving said setting mechanism and said flywheel, a driving mechanism for said shaft, consisting of a hand crank and a free coupling arrangedbetweensaid shaft and said er-ank. i

ANTON GIETMANN. 

